/* ── Preview banner (dark override + theme-aware) ── */
.preview-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 11000;
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  height: 28px;
  padding: 0 12px;
  font-size: 0.65rem;
  font-weight: 500;
  line-height: 1;
  background: var(--bg-soft);
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
}
.preview-banner strong { font-weight: 700; color: var(--fg); }
.preview-banner a { color: var(--brand-1); text-decoration: none; }
.preview-banner a:hover { text-decoration: underline; }

/* ── Site header ── */
.site-header {
  position: fixed; top: 28px; left: 0; right: 0; z-index: 10000;
  background: var(--glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.6rem 1.5rem;
}

/* ── Logo ── */
.logo-profile {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-profile img {
  display: block;
  width: 36px;
  height: 36px;
  transition: width 0.25s ease, height 0.25s ease;
}

/* ── Desktop navigation ── */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.nav-desktop a {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.4rem 0.55rem;
  color: var(--fg-muted);
  text-decoration: none;
  border-radius: 6px;
  transition: color 0.18s ease, background 0.18s ease;
}
.nav-desktop a:hover {
  color: var(--fg);
  background: var(--border);
}

/* ── Header actions area ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ── Language selector ── */
.lang-select {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg-muted);
  font-size: 0.75rem;
  padding: 0.3rem 0.5rem;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.18s, border-color 0.18s;
}
.lang-select:hover { color: var(--fg); border-color: var(--border-strong); }

/* ── Theme toggle ── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  cursor: pointer;
  color: var(--fg-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: inherit;
  transition: color 0.2s ease, background 0.2s ease;
}
.theme-toggle:hover { color: var(--fg); background: var(--border); }
.theme-toggle svg { display: block; }

/* ── GitHub icon link ── */
.gh-icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--fg-muted);
  border-radius: 8px;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
}
.gh-icon-link:hover { color: var(--fg); background: var(--border); }
.gh-icon-link svg { display: block; }

/* ── Header CTA button ── */
.btn-header-cta, .nav-cta {
  background: var(--brand-gradient);
  background-size: 200% 200%;
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  letter-spacing: -0.01em;
  box-shadow: 0 8px 22px -8px rgba(99,102,241,0.5), inset 0 1px 0 rgba(255,255,255,0.25);
  transition: transform 0.18s ease, box-shadow 0.22s ease, background-position 0.3s ease;
}
.btn-header-cta:hover, .nav-cta:hover {
  transform: translateY(-1px);
  background-position: 100% 50%;
  box-shadow: 0 14px 30px -8px rgba(99,102,241,0.7);
}

/* ── Mega dropdown ── */
.mega-dropdown { position: relative; display: inline-block; }
.mega-trigger { cursor: pointer; white-space: nowrap; }
.mega-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 10px;
  width: 720px;
  z-index: 1000;
}
.mega-menu-inner {
  background: var(--bg-elev);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  border-radius: 12px;
  padding: 1.25rem;
}
.mega-dropdown:hover .mega-menu,
.mega-dropdown.active .mega-menu { display: block; }
.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.mega-col h5 {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--brand-1);
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3rem;
}
.mega-col a {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  font-size: 0.82rem;
  color: var(--fg-muted);
  padding: 0.25rem 0;
  text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
}
.mega-col a:hover { color: var(--fg); padding-left: 0.2rem; background: transparent; }

/* ── Neon SVG icons (mega-menu + mobile) ── */
.icon-neon {
  width: 14px;
  height: 14px;
  stroke-width: 2px;
  filter: drop-shadow(0 0 2px var(--neon-color, currentColor));
  vertical-align: middle;
  display: inline-block;
  margin-right: 0.3rem;
  transition: transform 0.2s ease, filter 0.2s ease;
}
.mega-col a:hover .icon-neon,
.mobile-grid-apps a:hover .icon-neon {
  transform: scale(1.15);
  filter: drop-shadow(0 0 5px var(--neon-color, currentColor)) !important;
}

/* ── Badges ── */
.badge-ai {
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
  background: var(--brand-1);
  color: #fff;
  font-size: 0.55rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  text-transform: uppercase;
  margin-left: 0.25rem;
}
.badge-alpha {
  display: inline-block;
  vertical-align: top;
  line-height: 1;
  letter-spacing: 0.02em;
  background: rgba(245, 158, 11, 0.12);
  color: #b45309;
  font-size: 0.5rem;
  font-weight: 700;
  padding: 0.08rem 0.22rem;
  border-radius: 3px;
  text-transform: uppercase;
  margin-left: 0.25rem;
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.badge-new {
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
  letter-spacing: 0.02em;
  background: rgba(99, 102, 241, 0.12);
  color: var(--brand-1);
  font-size: 0.5rem;
  font-weight: 700;
  padding: 0.08rem 0.22rem;
  border-radius: 3px;
  text-transform: uppercase;
  margin-left: 0.25rem;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

/* ── Mobile toggle ── */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--fg);
  cursor: pointer;
  padding: 8px;
  margin-left: 8px;
  border-radius: 6px;
  transition: background 0.2s;
  flex-shrink: 0;
}
.mobile-toggle:hover { background: var(--border); }

@media (max-width: 768px) {
  .nav-desktop, .header-actions .lang-select,
  .header-actions .theme-toggle,
  .header-actions .gh-icon-link,
  .header-actions .btn-header-cta { display: none; }
  .mobile-toggle { display: flex; }
}

/* ── Mobile overlay ── */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 28px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 5rem 1.5rem 2rem;
  z-index: 9999;
  overflow-y: auto;
}
.mobile-overlay.open { display: block; }
.mobile-overlay-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.mobile-overlay a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  border-radius: 6px;
  margin-bottom: 0.1rem;
  transition: color 0.2s, background 0.2s;
}
.mobile-overlay a:hover {
  background: var(--border);
  color: var(--fg);
}
.mobile-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 0.8rem 0;
}
.mobile-menu-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--brand-1);
  letter-spacing: 0.08em;
  font-weight: 700;
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.mobile-grid-apps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem;
  padding: 0 0.25rem;
}
.mobile-grid-apps a {
  font-size: 0.82rem;
  padding: 0.5rem 0.6rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.mobile-overlay a.nav-cta {
  margin-top: 1.5rem;
  background: var(--brand-gradient);
  color: #fff;
  justify-content: center;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
  border: none;
}

/* ── Language selector mobile offset ── */
#gt_float_wrapper, .gtranslate_wrapper {
  z-index: 9000;
}
@media (max-width: 768px) {
  #gt_float_wrapper, .gtranslate_wrapper {
    transform: scale(0.8);
    transform-origin: bottom right;
    bottom: 10px !important;
    right: 10px !important;
  }
}